Products Description
Husqvarna 395 XP Chainsaw Worm Gear – Oil Pump Drive Part
Genuine & Aftermarket Worm Gear for 395 XP, 394 XP, 288 XP
The worm gear is the critical drive component that transfers rotational force from the clutch drum to the oil pump on the Husqvarna 395 XP chainsaw . If this part fails, the oil pump stops delivering lubricant to the bar and chain, leading to accelerated wear and potential engine damage from overheating. This listing covers the most common worm gear used on the 395 XP and compatible models .
Technical Profiles & Materials
Oil Pump Drive Function – The worm gear turns the oil pump plunger when the clutch engages, ensuring lubricant is delivered to the bar and chain only during cutting operation.
OEM-Spec Compatibility – Available in both aftermarket and premium OEM-equivalent versions. The primary OEM part number for this gear is 503 55 75-01 (also listed as 503557501) .
Wide Model Compatibility – Fits Husqvarna 281, 288, 288XP, 394, 394XP, and 395XP chainsaws, as well as Jonsered 2095 models . An alternative gear with OEM number 503 46 37-02 is also available .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | OEM Part No. | 503 55 75-01 / 503557501 |
| 2 | Alternative OEM | 503 46 37-02 |
| 3 | Compatible Models | HUS 281, 288, 394, 395, 395XP, 288XP, 394XP |
| 4 | Jonsered Compatibility | 2095 |
| 5 | Material | Plastic (OEM), Brass (aftermarket option) |
| 6 | Function | Drives oil pump for chain lubrication |
| 7 | Unit of Sale | Single pieces (individual sale) or multi-packs of 10 |
| 8 | Aftermarket Options | Yes – available with 2-year warranty from ISO-certified manufacturers |
Products Application
Chainsaw Oiling System Restoration
If the 395 XP's chain is running dry even with oil in the tank, the worm gear may be worn or stripped. Replacing the gear restores proper oil pump function and protects the bar and chain from wear.
Preventative Maintenance for Professional Saws
When servicing the clutch or oil pump, inspect the worm gear for damage and replace it proactively. Users note that brass worm gears, in particular, are known for premature failure and should be replaced with the more reliable OEM plastic version .
Classic Chainsaw Restoration
For professionals and collectors maintaining older Husqvarna 394 and 395 series saws, the worm gear is a commonly replaced component. Aftermarket parts provide a cost-effective repair solution, with suppliers offering options like the 503 46 37-02 gear for specific Jonsered applications .
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm which worm gear fits my Husqvarna 395 XP?
A: Check your chainsaw model number on the housing. The worm gear for Husqvarna 395 XP, 394, and 288 series models is OEM number 503 55 75-01. For Jonsered 2095 and some Husqvarna variants, 503 46 37-02 may also be compatible . Verify the part number on your original gear before ordering.
Q: What are the symptoms of a worn worm gear?
A: Common symptoms include the chain running dry with insufficient oil delivery, increased friction and heat on the guide bar, and visible wear or stripping on the gear teeth. The gear may also produce unusual noise from the clutch area.
Q: What is the difference between plastic and brass worm gears?
A: OEM Husqvarna worm gears are made from durable plastic, which offers reliable performance and long service life. Brass aftermarket gears are sometimes available but users report they can wear out more quickly and may damage other drive components. Experienced mechanics recommend using the OEM-spec plastic gear for reliability .
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